PART-STREAM DISTILLATION
    133.
    发明公开
    PART-STREAM DISTILLATION 审中-公开
    部分蒸馏

    公开(公告)号:EP3212627A1

    公开(公告)日:2017-09-06

    申请号:EP15786922.3

    申请日:2015-10-27

    CPC classification number: C07D301/12

    Abstract: A continuous process for the preparation of propylene oxide, comprising (a) reacting propene with hydrogen peroxide in a reaction apparatus in the presence of acetonitrile as solvent, obtaining a stream SO containing propylene oxide, acetonitrile, water, at least one further component B wherein the normal boiling point of the at least one component B is higher than the normal boiling point of acetonitrile; (b) separating propylene oxide from SO, obtaining a stream SI containing acetonitrile, water and the at least one further component B; (c) dividing S1 into two streams S2 and S3; (d) subjecting S3 to a vapor-liquid fractionation in a first fractionation unit, obtaining a vapor fraction stream S4 a being depleted, relative to S3, of at least one of the at least one component B and obtaining a liquid bottoms stream S4b, and subjecting at least part of the vapor fraction stream S4 a to a vapor-liquid fractionation in a second fractionation unit, obtaining a vapor fraction stream S4c and a liquid bottoms stream S4 being depleted, relative to S4a, of at least one of the at least one component B; (e) recycling at least a portion of S4, optionally after work-up, to (a).

    Abstract translation: 一种制备环氧丙烷的连续方法,包括(a)在乙腈作为溶剂存在下,在反应装置中使丙烯与过氧化氢反应,获得含有环氧丙烷,乙腈,水,至少一种另外的组分B的物流SO,其中 至少一种组分B的标准沸点高于乙腈的标准沸点; (b)从SO中分离氧化丙烯,获得含有乙腈,水和至少一种其他组分B的料流S1; (c)将S1分成两个流S2和S3; (d)使S3在第一分馏单元中进行气液分馏,获得至少一种组分B中的至少一种的相对于S3被耗尽的蒸气分馏流S4a,并获得液体底部料流S4b, 并且使至少部分蒸气馏分流S4a在第二分馏单元中经受蒸气 - 液体分馏,获得相对于S4a而言至少一个蒸气馏分流S4c和液体底部物流S4被耗尽 至少一个组件B; (e)可选地在后处理之后,将至少一部分S4再循环至(a)。

    CHA TYPE ZEOLITIC MATERIALS AND METHODS FOR THEIR PREPARATION USING COMBINATIONS OF CYCLOALKYL- AND TETRAALKYLAMMONIUM COMPOUNDS
    134.
    发明公开
    CHA TYPE ZEOLITIC MATERIALS AND METHODS FOR THEIR PREPARATION USING COMBINATIONS OF CYCLOALKYL- AND TETRAALKYLAMMONIUM COMPOUNDS 审中-公开
    沸石材料从CHA型号和生产用综合评价法关环和TETRAALKYLAMMONIAKVERBINDUNGEN

    公开(公告)号:EP3152162A2

    公开(公告)日:2017-04-12

    申请号:EP15737992.6

    申请日:2015-06-03

    Applicant: BASF SE

    Abstract: The present invention relates to a process for the preparation of a zeolitic material having a CHA-type framework structure comprising YO2 and X2O3, wherein said process comprises the steps of: (1) providing a mixture comprising one or more sources for YO2, one or more sources for X2O3, one or more tetraalkylammonium cation R1R2R3R4N+-containing compounds, and one or more tetraalkylammonium cation R5R6R7R8N+-containing compounds as structure directing agent; (2) crystallizing the mixture obtained in step (1) for obtaining a zeolitic material having a CHA-type framework structure; wherein Y is a tetravalent element and X is a trivalent element, wherein R1, R2, R3, R4, R5, R6, and R7 independently from one another stand for alkyl, and wherein R8 stands for cycloalkyl, as well as to zeolitic materials which may be obtained according to the inventive process and to their use.

    Abstract translation: 本发明涉及一种用于具有CHA型骨架结构包含YO 2和X 2 O 3的沸石材料的制备方法,worin所述方法包括以下步骤:(1)提供包括用于YO 2的一个或多个源,一种或混合物 多个源为X 2 O 3,一种或多种四烷基铵阳离子R.sup.1R.sup.2R.sup.3R.sup.4N.sup +含化合物,和一种或多种四烷基铵阳离子R5R6R7R8N +含化合物作为结构导向剂; (2)结晶化获得具有CHA骨架型结构的沸石材料在步骤(1)中获得的混合物; worin Y是四价元素,X是三价元素,worin R1,R2,R3,R4,R5,R6,和R7彼此独立地立场烷基,和worin R8代表的环烷基,以及为沸石材料,其 可以得到gemäß到本发明的方法以及它们的用途。

    A PROCESS FOR PREPARING PROPYLENE OXIDE
    137.
    发明公开
    A PROCESS FOR PREPARING PROPYLENE OXIDE 审中-公开
    VERFAHREN ZUR HERSTELLUNG VON PROPYLENOXID

    公开(公告)号:EP3024579A1

    公开(公告)日:2016-06-01

    申请号:EP14739188.2

    申请日:2014-07-16

    Abstract: A continuous process for the preparation of propylene oxide, comprising (i) providing a liquid feed stream comprising propene, hydrogen peroxide, acetonitrile, water, optionally propane, and at least one dissolved potassium salt of a phosphorus oxyacid wherein the molar ratio of potassium relative to phosphorus in the at least one potassium salt of a phosphorus oxyacid is in the range of from 0.6 to 1.4; (ii) passing the liquid feed stream provided in (i) into an epoxidation reactor comprising a catalyst comprising a titanium zeolite of structure type MWW comprising zinc, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation reactor, obtaining a reaction mixture comprising propylene oxide, acetonitrile, water, the at least one dissolved potassium salt of a phosphorus oxyacid, optionally propene, and optionally propane; (iii) removing an effluent stream from the epoxidation reactor, the effluent stream comprising propylene oxide, acetonitrile, water, at least a portion of the at least one dissolved potassium salt of a phosphorus oxyacid, optionally propene, and optionally propane.

    Abstract translation: 一种用于制备环氧丙烷的连续方法,包括(i)提供包含丙烯,过氧化氢,乙腈,水,任选的丙烷和至少一种溶解的含磷酸的钾盐的液体进料流,其中钾相对的摩尔比 至少一种含磷酸的钾盐中的磷在0.6至1.4的范围内; (ii)将(i)中提供的液体进料流送入包含催化剂的环氧化反应器中,所述催化剂包括含锌的结构型MVVW的钛沸石,并使该液体进料流在环氧化反应器中进行环氧化反应条件,得到反应混合物 包括环氧丙烷,乙腈,水,至少一种溶解的含磷酸的钾盐,任选的丙烯,以及任选的丙烷; (iii)从环氧化反应器中除去流出物流,流出物流包含环氧丙烷,乙腈,水,至少一部分溶解的磷酸钾盐,任选的丙烯和任选的丙烷。

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